Home / 6,456.30-9,681.99-2,760.24

Finding the Fourth Proportional to 6,456.30, 9,681.99 and 2,760.24

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Solution

The fourth proportional to 6,456.30, 9,681.99 and 2,760.24 is: 4,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.30 : 9,681.99 = 2,760.24 : x
  2. Step 2: Convert to fraction form
    6,456.30/9,681.99 = 2,760.24/x
  3. Step 3: Cross multiply
    6,456.30x = 9,681.99 × 2,760.24
  4. Step 4: Simplify right side
    6,456.30x = 26,724,616.08
  5. Step 5: Solve for x
    x = 26,724,616.08/6,456.30
  6. Step 6: Final answer
    x = 4,139.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.